First of all, I'm not a designer! :( I've tried Helvetica Condensed and Akzidenz Grotesk. Do you have any Idea what font is it?
Fuente identificadaHelvetica 77 Bold Condensed Sugerido por rocamaco
You're right, probably it's "Helvetica 77 Bold Condensed", not totally sure, but most possible...
Huso horario CEST. Ahora son las 00:26